z^2-10z+3=0

Simple and best practice solution for z^2-10z+3=0 equation. Check how easy it is, and learn it for the future. Our solution is simple, and easy to understand, so don`t hesitate to use it as a solution of your homework.

If it's not what You are looking for type in the equation solver your own equation and let us solve it.

Solution for z^2-10z+3=0 equation:


Simplifying
z2 + -10z + 3 = 0

Reorder the terms:
3 + -10z + z2 = 0

Solving
3 + -10z + z2 = 0

Solving for variable 'z'.

Begin completing the square.

Move the constant term to the right:

Add '-3' to each side of the equation.
3 + -10z + -3 + z2 = 0 + -3

Reorder the terms:
3 + -3 + -10z + z2 = 0 + -3

Combine like terms: 3 + -3 = 0
0 + -10z + z2 = 0 + -3
-10z + z2 = 0 + -3

Combine like terms: 0 + -3 = -3
-10z + z2 = -3

The z term is -10z.  Take half its coefficient (-5).
Square it (25) and add it to both sides.

Add '25' to each side of the equation.
-10z + 25 + z2 = -3 + 25

Reorder the terms:
25 + -10z + z2 = -3 + 25

Combine like terms: -3 + 25 = 22
25 + -10z + z2 = 22

Factor a perfect square on the left side:
(z + -5)(z + -5) = 22

Calculate the square root of the right side: 4.69041576

Break this problem into two subproblems by setting 
(z + -5) equal to 4.69041576 and -4.69041576.

Subproblem 1

z + -5 = 4.69041576 Simplifying z + -5 = 4.69041576 Reorder the terms: -5 + z = 4.69041576 Solving -5 + z = 4.69041576 Solving for variable 'z'. Move all terms containing z to the left, all other terms to the right. Add '5' to each side of the equation. -5 + 5 + z = 4.69041576 + 5 Combine like terms: -5 + 5 = 0 0 + z = 4.69041576 + 5 z = 4.69041576 + 5 Combine like terms: 4.69041576 + 5 = 9.69041576 z = 9.69041576 Simplifying z = 9.69041576

Subproblem 2

z + -5 = -4.69041576 Simplifying z + -5 = -4.69041576 Reorder the terms: -5 + z = -4.69041576 Solving -5 + z = -4.69041576 Solving for variable 'z'. Move all terms containing z to the left, all other terms to the right. Add '5' to each side of the equation. -5 + 5 + z = -4.69041576 + 5 Combine like terms: -5 + 5 = 0 0 + z = -4.69041576 + 5 z = -4.69041576 + 5 Combine like terms: -4.69041576 + 5 = 0.30958424 z = 0.30958424 Simplifying z = 0.30958424

Solution

The solution to the problem is based on the solutions from the subproblems. z = {9.69041576, 0.30958424}

See similar equations:

| (2+3i)(5-2i)=16+11i | | (1+i)-(2+5i)=-1-4 | | 3[6-d]=18 | | 2.2z=9.02 | | [14-y]=12 | | 3(2d-7)=16 | | (2+3i)+(5-2i)=8 | | 9x+11-5x=10-11x-12 | | 5x-81=9x+9 | | 3x-15=-30 | | r^4=6r^3+24r^2 | | x/9+x/5=14/45 | | -6x^2+2x+6=0 | | -42-7x=-28 | | -8x^2+4x+3=0 | | 15=5c-70 | | a/3.2=9.02 | | 4(4x-2)+2=-1 | | 2(4-3/5p)=5 | | (2+3i)+(5-2i)=7-i | | 4x-8+7-6x=-9 | | -2(y-5y)+3=-3(2y-y)+4+10y | | 1.4c=5.32 | | 19=2y+5 | | 28+a/6=8 | | -1.4x=-4.2 | | 0.25x-18=0.5x-6 | | 15x+7y=30fory | | 7x+3=-29+3x | | 1.2+x-3.9=-2+5.3 | | Y-14=1(x-2) | | 26m^2-16/49 |

Equations solver categories